Bag



FIG. 1 is a top front perspective view of a bag showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a rear perspective view thereof with the backpack strap in use for reference; and,

FIG. 9 is a front perspective view thereof with the shoulder strap in use for reference.

The broken lines in the figures show portions of the bag that form no part of the claimed design. 

CLAIM The ornamental design for a bag, as shown and described. 